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104306280 = 23351366863
BaseRepresentation
bin1100011011110…
…01011001101000
321021021022022120
412031321121220
5203200300110
614203351240
72404405641
oct615713150
9237238276
10104306280
1153972941
122ab22520
13187c08c0
14dbd26c8
159255870
hex6379668

104306280 has 64 divisors (see below), whose sum is σ = 336994560. Its totient is φ = 25675008.

The previous prime is 104306233. The next prime is 104306281. The reversal of 104306280 is 82603401.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 104306280.

It is not an unprimeable number, because it can be changed into a prime (104306281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31872 + ... + 34991.

It is an arithmetic number, because the mean of its divisors is an integer number (5265540).

Almost surely, 2104306280 is an apocalyptic number.

104306280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104306280 is an abundant number, since it is smaller than the sum of its proper divisors (232688280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

104306280 is a wasteful number, since it uses less digits than its factorization.

104306280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66890 (or 66886 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 104306280 is about 10213.0445999222. The cubic root of 104306280 is about 470.7281304793.

Adding to 104306280 its reverse (82603401), we get a palindrome (186909681).

The spelling of 104306280 in words is "one hundred four million, three hundred six thousand, two hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 13 15 20 24 26 30 39 40 52 60 65 78 104 120 130 156 195 260 312 390 520 780 1560 66863 133726 200589 267452 334315 401178 534904 668630 802356 869219 1002945 1337260 1604712 1738438 2005890 2607657 2674520 3476876 4011780 4346095 5215314 6953752 8023560 8692190 10430628 13038285 17384380 20861256 26076570 34768760 52153140 104306280